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Re: Speaking of muscle cars [Re: Oleo Acres] #8079890 02/17/24 04:56 PM 02/17/24 04:56 PM
Joined: Feb 2010 Posts: 19,719 pa H hippie trapper
hippie trapper H Joined: Feb 2010 Posts: 19,719 pa	Originally Posted by Oleo Acres The 396 bad bore thing was always the story,but when I rebuilt mine the head parts were 454. Heads have 0 to do with cubic inches.

Re: Speaking of muscle cars [Re: Mando] #8079893 02/17/24 05:03 PM 02/17/24 05:03 PM
Joined: Mar 2012 Posts: 257 Barbour county,WV O Oleo Acres trapper
Oleo Acres trapper O Joined: Mar 2012 Posts: 257 Barbour county,WV	No,but chevy evidently decided to use combustion chamber for displacement,because if you use bore and stroke,a 396 is only about a 394 something.

Re: Speaking of muscle cars [Re: hippie] #8079896 02/17/24 05:05 PM 02/17/24 05:05 PM
Joined: Nov 2011 Posts: 23,713 New Hampshire N Nessmuck trapper
Nessmuck trapper N Joined: Nov 2011 Posts: 23,713 New Hampshire	Originally Posted by hippie My first was a '67 Impala SS with a 300hp 327. This engines had a small journal crankshaft. Right out of high school...I had a 66 Chevelle 327 ..,4 gear...4:11 Posi Best ET at the track I could get was 14.2 # 101 mph Not bad for not knowing much @18 It is better to die on your feet than to live on your knees.

Re: Speaking of muscle cars [Re: Oleo Acres] #8079901 02/17/24 05:10 PM 02/17/24 05:10 PM
Joined: Feb 2010 Posts: 19,719 pa H hippie trapper
hippie trapper H Joined: Feb 2010 Posts: 19,719 pa	Originally Posted by Oleo Acres No,but chevy evidently decided to use combustion chamber for displacement,because if you use bore and stroke,a 396 is only about a 394 something. Yep, and a 350 is a 349 and a 327 is actually a 325. Trust me on this..... Bore x stroke = cubic inches. The only thing combustion chamber cc's change is the compression ratio. Full stop. Last edited by hippie; 02/17/24 05:30 PM.

Re: Speaking of muscle cars [Re: Nessmuck] #8079905 02/17/24 05:15 PM 02/17/24 05:15 PM
Joined: Feb 2010 Posts: 19,719 pa H hippie trapper
hippie trapper H Joined: Feb 2010 Posts: 19,719 pa	Originally Posted by Nessmuck Originally Posted by hippie My first was a '67 Impala SS with a 300hp 327. This engines had a small journal crankshaft. Right out of high school...I had a 66 Chevelle 327 ..,4 gear...4:11 Posi Best ET at the track I could get was 14.2 # 101 mph Not bad for not knowing much @18 I didn't have the Impala long, wrapped it around a telephone pole within 2 months. That's when I learned how to mechanic! lo! I bought a '66 that didn't have a drive train and I took it all out of the '67 and put it in the 66. Put a rod out the side soon after, bought a Chevy pickup after that and put another rod out thru the side. Bought an AAR Cuda next and it took the punishment so that's (Mopars) all I owned after that!

Re: Speaking of muscle cars [Re: Mando] #8079906 02/17/24 05:17 PM 02/17/24 05:17 PM
Joined: Mar 2012 Posts: 257 Barbour county,WV O Oleo Acres trapper
Oleo Acres trapper O Joined: Mar 2012 Posts: 257 Barbour county,WV	I'm not disagreeing with you about cubic inches,i'm saying they call them whatever they feel like.

Re: Speaking of muscle cars [Re: Mando] #8079909 02/17/24 05:20 PM 02/17/24 05:20 PM
Joined: Feb 2010 Posts: 19,719 pa H hippie trapper
hippie trapper H Joined: Feb 2010 Posts: 19,719 pa	That they do, A 360 Mopar is actually 358. they all fudge up. Just saying that smaller combustion chambers don't change the cubes, only the compression ratio.

Re: Speaking of muscle cars [Re: hippie] #8079913 02/17/24 05:29 PM 02/17/24 05:29 PM
Joined: Mar 2023 Posts: 1,484 WI M Mando OP trapper
Mando OP trapper M Joined: Mar 2023 Posts: 1,484 WI	Originally Posted by hippie Originally Posted by Oleo Acres No,but chevy evidently decided to use combustion chamber for displacement,because if you use bore and stroke,a 396 is only about a 394 something. Yep, and a 350 is a 348, and a 327 is actually a 325. Trust me on this..... Bore x stroke = cubic inches. The only thing combustion chamber cc's change is the compression ratio. Full stop. Isn't the 302 camaro a 327 with a different stroke? Had to get to 302 for some race rule.

Re: Speaking of muscle cars [Re: Mando] #8079916 02/17/24 05:32 PM 02/17/24 05:32 PM
Joined: Feb 2010 Posts: 19,719 pa H hippie trapper
hippie trapper H Joined: Feb 2010 Posts: 19,719 pa	I'd have to look, but I think the stroke is the same, smaller bore on 302? 283 bore runs in my mind. I'll look!

Re: Speaking of muscle cars [Re: Mando] #8079917 02/17/24 05:32 PM 02/17/24 05:32 PM
Joined: Nov 2011 Posts: 23,713 New Hampshire N Nessmuck trapper
Nessmuck trapper N Joined: Nov 2011 Posts: 23,713 New Hampshire	Hippie....I did miss second gear in that Chevelle ..and put the push rod,right through the rocker and through the valve cover....lol It is better to die on your feet than to live on your knees.

Re: Speaking of muscle cars [Re: Mando] #8079919 02/17/24 05:34 PM 02/17/24 05:34 PM
Joined: Feb 2010 Posts: 19,719 pa H hippie trapper
hippie trapper H Joined: Feb 2010 Posts: 19,719 pa	You're right, both have 4" bore, but the 302 is a 283 stroke.3". I knew they had something in common with a 283, just had the wrong part, lol.

Re: Speaking of muscle cars [Re: Mando] #8079920 02/17/24 05:36 PM 02/17/24 05:36 PM
Joined: Feb 2010 Posts: 19,719 pa H hippie trapper
hippie trapper H Joined: Feb 2010 Posts: 19,719 pa	Seen that a few times Nessy!

Re: Speaking of muscle cars [Re: Mando] #8079925 02/17/24 05:40 PM 02/17/24 05:40 PM
Joined: Feb 2010 Posts: 19,719 pa H hippie trapper
hippie trapper H Joined: Feb 2010 Posts: 19,719 pa	Here's my formula for figuring cubic inches.... Bore divided x 2 = X X x X = Z Z x 3.14 = Q Q x number of cylinders = Y Y x stroke = cubic inchex.

Re: Speaking of muscle cars [Re: hippie] #8079937 02/17/24 05:54 PM 02/17/24 05:54 PM
Joined: Dec 2006 Posts: 1,301 Sugar Grove, WV J JTfromWV trapper
JTfromWV trapper J Joined: Dec 2006 Posts: 1,301 Sugar Grove, WV	Originally Posted by hippie You're right, both have 4" bore, but the 302 is a 283 stroke.3". I knew they had something in common with a 283, just had the wrong part, lol. They had to reduce displacement to meet Trans Am racing rules.

Re: Speaking of muscle cars [Re: Mando] #8079963 02/17/24 06:25 PM 02/17/24 06:25 PM
Joined: Dec 2008 Posts: 2,923 centrel PA Kevin Colpetzer trapper
Kevin Colpetzer trapper Joined: Dec 2008 Posts: 2,923 centrel PA	Neighbor had a old impala with a 348 motor

Re: Speaking of muscle cars [Re: Mando] #8079986 02/17/24 07:09 PM 02/17/24 07:09 PM
Joined: Oct 2011 Posts: 17,489 Wheaton Ks L lee steinmeyer trapper
lee steinmeyer trapper L Joined: Oct 2011 Posts: 17,489 Wheaton Ks	265 had a 3.75 bore X a 3.750 stroke 283 had a 3.875 bore X a 3.75 stroke. 302 had a 4.00 bore X a 3.75 stroke. 327 had a 4 in bore X a 4 in stroke And I can’t remember the 350….was a little later in life, but worked on a bunch of them! Now on the other end of the cubes; after the 454 came the 502, then all kinds of stroke and bores all the way up to the monster crate engines. 584 and I think one is available at six hundred something! Been away from it too long on the modern end! YOU CAN IGNORE REALITY, BUT YOU CANNOT IGNORE THE CONSEQUENCES OF IGNORING REALITY. http://www.lptraplinesupply.com

Re: Speaking of muscle cars [Re: Mando] #8080034 02/17/24 08:07 PM 02/17/24 08:07 PM
Joined: Oct 2011 Posts: 98 Metro Minnesota M MNSouthPaw trapper
MNSouthPaw trapper M Joined: Oct 2011 Posts: 98 Metro Minnesota	Your bore and stroke are off 265 3.75x3.00 283 3.875x3.00 302 4.00x3.00 327 4.00x3.25 350 4.00x3.48 400 4.125x3.75 383 4.00x3.75 stroker 350 with 400 crank.

Re: Speaking of muscle cars [Re: MNSouthPaw] #8080044 02/17/24 08:14 PM 02/17/24 08:14 PM
Joined: Oct 2011 Posts: 17,489 Wheaton Ks L lee steinmeyer trapper
lee steinmeyer trapper L Joined: Oct 2011 Posts: 17,489 Wheaton Ks	Originally Posted by MNSouthPaw Your bore and stroke are off 265 3.75x3.00 283 3.875x3.00 302 4.00x3.00 327 4.00x3.25 350 4.00x3.48 400 4.125x3.75 383 4.00x3.75 stroker 350 with 400 crank. You are correct! I screw everything up since I hit the second childhood! YOU CAN IGNORE REALITY, BUT YOU CANNOT IGNORE THE CONSEQUENCES OF IGNORING REALITY. http://www.lptraplinesupply.com

Re: Speaking of muscle cars [Re: Mando] #8080050 02/17/24 08:21 PM 02/17/24 08:21 PM
Joined: Jan 2014 Posts: 17,740 Central Oregon AntiGov trapper
AntiGov trapper Joined: Jan 2014 Posts: 17,740 Central Oregon	Here's the latest king of big blocks from chevrolet Report a post club - Non member

Re: Speaking of muscle cars [Re: Mando] #8080054 02/17/24 08:28 PM 02/17/24 08:28 PM
Joined: Jan 2014 Posts: 17,740 Central Oregon AntiGov trapper
AntiGov trapper Joined: Jan 2014 Posts: 17,740 Central Oregon	1004 hp and only $32,000.00 Report a post club - Non member

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